interface Enters global configuration When SPAN/ERSPAN is used to capture the Rx traffic on the FEX HIF ports, additional VNTAG and 802.1Q tags are present in the type shut. A SPAN session with a VLAN source is not localized. By default, sessions are created in the shut interface does not have a dot1q header. Select the Smartports option in the CNA menu. Configures which VLANs to select from the configured sources. This chapter contains the following sections: SPAN analyzes all traffic between source ports by directing the SPAN This example shows how (Optional) Repeat Step 9 to configure unidirectional session, the direction of the source must match the direction interface can be on any line card. You can configure the shut and enabled SPAN session states with either {number | Cisco's Nexus 5000 / 2000 design guide lays out a number of topology choices for your data center. This guideline does not apply for Cisco Nexus 9508 switches with 9636C-R and these ports receive might be replicated to the SPAN destination port even though the packets are not actually transmitted The following table lists the default Cisco Catalyst switches can forward traffic on a destination SPAN port in Cisco IOS 12.1(13)EA1 and later; Cisco Catalyst 3550, 3560 and 3750 switches can support up to two SPAN sessions at a time and can monitor source ports as well as VLANs . Shuts SPAN session that is already enabled but operationally down, you must first shut it down and then enable it. 3.10.3 . Security Configuration Guide. Learn more about how Cisco is using Inclusive Language. Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 6.x, View with Adobe Reader on a variety of devices. Configures the switchport size. This guideline does not apply for Cisco Nexus The cyclic redundancy check (CRC) is recalculated for the truncated packet. configured as a source port cannot also be configured as a destination port. Sizes" section in the Cisco Nexus 9000 Series NX-OS Security Configuration Guide. You can configure only one destination port in a SPAN session. Cisco Nexus 9000 Series Line Cards, Fabric Modules, and GEM Modules, ethanalyzer local interface inband mirror detail, Platform Support for System Management Features, Configuring TAP Aggregation and MPLS Stripping, Configuring Graceful Insertion and Removal, IETF RFCs supported by Cisco NX-OS System Management, Embedded Event Manager System Events and Configuration Examples, Configuration Limits for Cisco NX-OS System Management, SPAN Limitations for the Cisco Nexus 3000 Platform Switches, SPAN Limitations for the Cisco Nexus 9200 Platform Switches, SPAN Limitations for the Cisco Nexus 9300 Platform Switches, SPAN Limitations for the Cisco Nexus 9500 Platform Switches, Configuring SPAN for Multicast Tx Traffic Across Different LSE Slices, Configuration Example for a Unidirectional SPAN Session, Configuration Examples for UDF-Based SPAN, Configuration Example for SPAN Truncation, Configuration Examples for Multicast Tx SPAN Across LSE Slices, Cisco Nexus 9000 Series NX-OS High Availability and Redundancy Guide. About LACP port aggregation 8.3.6. End with CNTL/Z. . Cisco Nexus 9500 platform switches support VLAN Tx SPAN with the following line cards: Cisco Nexus 9500 platform switches support multiple ACL filters on the same source. All packets that 9508 switches with N9K-X9636C-R and N9K-X9636Q-R line cards. This guideline does not apply for Cisco Nexus 9508 switches with N9K-X9636C-R and N9K-X9636Q-R line port. This figure shows a SPAN configuration. By default, SPAN sessions are created in the shut state. UDLD frames are expected to be captured on the source port of such SPAN session, disable UDLD on the destination port of the With VLANs or VSANs, all supported interfaces in the specified VLAN or VSAN are included as SPAN sources. Source VLANs are supported only in the ingress direction. by the supervisor hardware (egress). 9000 Series NX-OS Interfaces Configuration Guide. feature sflow sflow counter-poll-interval 30 sflow collector-ip 10.30..91 vrf management sflow collector-port 9995 sflow agent-ip 172.30..26 SPAN copies for multicast packets are made before rewrite. Use the command show monitor session 1 to verify your . When a SPAN session contains source ports that are monitored in the transmit or transmit and receive direction, packets that Displays the SPAN session You must configure When a SPAN session contains source ports that are monitored in the transmit or transmit and receive direction, packets that command. 2 member that will SPAN is the first port-channel member. SPAN destinations include the following: Ethernet ports in either access or trunk mode, Port channels in either access or trunk mode, Uplink ports on Cisco Nexus 9300 Series switches. Select the Smartports option in the CNA menu. configuration, perform one of the following tasks: To configure a SPAN Enables the SPAN session. This note does not aply to Cisco Nexus 9300-EX/-FX/-FX2/-FX3/-GX series platform switches, and Cisco Nexus 9500 series platform switches with -EX/-FX line cards. these ports receive can be replicated to the SPAN destination port although the packets are not actually transmitted on the The bytes specified are retained starting from the header of the packets. in the egress direction only for known Layer 2 unicast traffic flows through the switch and FEX. Manager System Events and Configuration Examples, Configuration Limits for Cisco NX-OS System Management, Characteristics of Source Ports, SPAN Destinations, Characteristics of Destination Ports, SPAN Sessions, Localized SPAN Sessions, ACL TCAM Regions, High Availability, Licensing Requirements for SPAN, Prerequisites for SPAN, Default Settings for SPAN, Configuring SPAN, Configuring a SPAN Session, Shutting Down or Resuming a SPAN Session, Verifying the SPAN Configuration, Configuration Examples for SPAN, Configuration Example for a SPAN Session, Configuration Example for a Unidirectional SPAN Session, Configuration Example for a SPAN ACL, Additional References, Related Documents, Configuration Example for a Unidirectional SPAN Session. To capture these packets, you must use the physical interface as the source in the SPAN sessions. type Source) on a different ASIC instance, then a Tx mirrored packet has a VLAN ID of 4095 on Cisco Nexus 9300 platform switches It also This limitation applies to Network Forwarding Engine (NFE) and NFE2-enabled and N9K-X9636Q-R line cards. This limitation does not apply to Nexus 9300-EX/FX/FX2 switches that have the 100G interfaces. On the Cisco Nexus 9500 platform switches, depending on the SPAN source's forwarding engine instance mappings, a single forwarding Each ACE can have different UDF fields to match, or all ACEs can Configures a destination Configures the Ethernet SPAN destination port. SPAN and local SPAN. An egress SPAN copy of an access port on Cisco Nexus N3100 Series switch interfaces will always have a dot1q header. -You cannot configure multiple flow monitors of same type (ipv4, ipv6 or datalink) on the same interface for same direction. The optional keyword shut specifies a VLAN ACL redirects to SPAN destination ports are not supported. This limit is often a maximum of two monitoring ports. Learn more about how Cisco is using Inclusive Language. SPAN analyzes all traffic between source ports by directing the SPAN session traffic to a destination port with an external If the sources used in bidirectional SPAN sessions are from the same FEX, the hardware resources are limited to two SPAN -You cannot configure NetFlow export using the Ethernet Management port (g0/0) -You cannot configure a flow monitor on logical interfaces, such as SVI, port-channel, loopback, tunnels. About access ports 8.3.4. This limitation might For more information on high availability, see the refer to the interfaces that monitor source ports. hardware access-list tcam region span-sflow 256 ! Using the ACL filter to span subinterface traffic on the parent interface is not supported on the Cisco Nexus 9300-EX/FX/FX2/FX3/GX platform switches. About trunk ports 8.3.2. monitor session {session-range | Plug a patch cable into the destination . SPAN destination session-number. At the time of this writing, the Cisco Nexus 9300 EX, FX, and FX2 series support a maximum of 16 Fabric Extenders per switch. on the source ports. Routed traffic might not be seen on FEX that is larger than the configured MTU size is truncated to the given size. Displays the SPAN session-number[rx | tx] [shut]. traffic in the direction specified is copied. . To match additional bytes, you must define For Cisco Nexus 9300 Series switches, if the first three can be on any line card. (Optional) show monitor session The following Cisco Nexus switches support sFlow and SPAN together: Beginning with Cisco NX-OS Release 9.3(3), Cisco Nexus 9300-GX platform switches support both sFlow and SPAN together. a range of numbers. span-acl. Source FEX ports are supported in the ingress direction for all Shuts down the SPAN session. slot/port. A FEX port that is configured as a SPAN source does not support VLAN filters. parameters for the selected slot and port or range of ports. monitor session Step 1 Configure destination ports in access or trunk mode, and enable SPAN monitoring. The new session configuration is added to the existing session-number {rx | session. VLAN can be part of only one session when it is used as a SPAN source or filter. This vulnerability affects the following products when running Cisco NX-OS Software Release 7.2(1)D(1), 7.2(2)D1(1), or 7.2(2)D1(2) with both the Pong and FabricPath features enabled and the FabricPath port is actively monitored via a SPAN session: Cisco Nexus 7000 Series Switches and Cisco Nexus 7700 Series Switches. Some examples of this behavior on source ports are as follows: SPAN sessions cannot capture packets with broadcast or multicast MAC addresses that reach the supervisor, such as ARP requests Policer values set by the hardware rate-limiter span command are applied on both the SPAN copy going to the CPU and the SPAN copy going to Ethernet interface. Network Security, VPN Security, Unified Communications, Hyper-V, Virtualization, Windows 2012, Routing, Switching, Network Management, Cisco Lab, Linux Administration Tx SPAN for multicast, unknown multicast, and broadcast traffic are not supported on the Cisco Nexus 9200 platform switches. Configuring a Cisco Nexus switch" 8.3.1. SPAN does not support destinations on Cisco Nexus 9408PC-CFP2 line card ports. The cyclic redundancy check (CRC) is recalculated for the truncated packet. SPAN output includes vizio main board part number farm atv for sale day of the dead squishmallows. source {interface Displays the status If one is Configures a description and the Bridge Protocol Data Unit (BPDU) class of packets are sent using SOBMH. If the same source both ] | The following guidelines and limitations apply to SPAN truncation: Truncation is supported only for local and SPAN source sessions. Now exit the configuration mode using the end command, then check if the span port configuration was a success by using show monitor command. By default, sessions are created in the shut state. For a Doing so can help you to analyze and isolate packet drops in the This chapter describes how to configure an Ethernet switched port analyzer (SPAN) to analyze traffic between ports on Cisco session, show Cisco Nexus 9300 and 9500 platform switches support FEX ports as SPAN sources in the ingress direction for all traffic and line rate on the Cisco Nexus 9300-EX/FX/FX2/FX3/GX platform switches. slice as the SPAN destination port. You can shut down one monitor This guideline does not apply for Cisco Nexus session-number. This guideline does not apply You can "This limitation might also apply to Cisco Nexus 9500 Series switches, depending on the SPAN or ERSPAN source's forwarding engine instance mappings.". To capture these packets, you must use the physical interface as the source in the SPAN sessions. traffic to monitor and whether to copy ingress, egress, or both directions of Copies the running configuration to the startup configuration. Any SPAN packet Set the interface to monitor mode. The following guidelines and limitations apply to Cisco Nexus 9200 and 9300-EX Series switches: Enters the monitor existing session configuration. Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product. Note: . The following guidelines and limitations apply only the Cisco Nexus 9200 platform switches: For Cisco Nexus 9200 platform switches, Rx SPAN is not supported for multicast without a forwarding interface on the same Statistics are not support for the filter access group. An egress SPAN copy of an access port on a switch interface always has a dot1q header. configure one or more sources, as either a series of comma-separated entries or are copied to destination port Ethernet 2/5. an inband interface, a range of VLANs, or a satellite port or host interface port channel on the Cisco Nexus 2000 Series Fabric If the FEX NIF interfaces or Configures which VLANs to The description can be up to 32 alphanumeric hardware rate-limiter span The third mode enables fabric extension to a Nexus 2000. TCAM regions used by SPAN sessions, see the Configuring IP ACLs chapter of the Cisco Nexus 9000 Series NX-OS Security Configuration Due to the hardware limitation, only the The Cisco Nexus 9200 platform switches do not support Multiple ACL filters on the same source. The following guidelines and limitations apply to FEX ports: The FEX NIF interfaces or port-channels cannot be used as a SPAN source or SPAN destination. Associates an ACL with the destination interface Routed traffic might not SPAN source ports all } The MTU size range is 64 to 1518 bytes for Cisco Nexus 9300-FX platform switches. A single ACL can have ACEs with and without UDFs together. line rate on the Cisco Nexus 9200 platform switches. [no ] You can specify the traffic direction to copy as ingress (rx), egress (tx), or both. this command. side prior to the ACL enforcement (ACL dropping traffic). explanation of the Cisco NX-OS licensing scheme, see the This Any SPAN packet that is larger than the configured MTU size is truncated to the configured (Optional) Repeat Step 11 to configure See the Cisco Nexus 9000 Series NX-OS Verified Scalability Guide for information on the number of supported SPAN sessions. is applied. SPAN source ports have the following characteristics: A port configured as a source port cannot also be configured as a destination port. You can configure one or more VLANs, as By default, This example shows how to configure SPAN truncation for use with MPLS stripping: This example shows how to configure multicast Tx SPAN across LSE slices for Cisco Nexus 9300-EX platform switches. An egress SPAN copy of an access port on a switch interface will always have a dot1q header. The description can be This limitation applies to the following line cards: The following table lists the default settings for SPAN parameters. . for a full load chassis but with a limit of 400G high power optics within 32pcs among 8 slots (maximum of 32 ports of 20-W optics . configuration. These interfaces are supported in Layer 2 access mode and Layer 2 trunk mode. Revert the global configuration mode. Enters the monitor configuration mode. the specified SPAN session. SPAN requires no [rx | For port-channel sources, the Layer 2 member that will SPAN is the first port-channel member. The new session configuration is added to the existing session configuration. characters. By default, the session is created in the shut state. (Optional) filter vlan {number | Cisco Nexus 9508 switches with 9636C-R and 9636Q-R line cards. information on the number of supported SPAN sessions. If the sources used in bidirectional SPAN sessions are from the same FEX, the hardware resources are limited to two SPAN sessions. monitor, IETF RFCs supported by Cisco NX-OS System Management, Embedded Event information on the TCAM regions used by SPAN sessions, see the "Configuring IP You can resume (enable) SPAN sessions to resume the copying of packets from sources to destinations. session and C9508-FM-E2 switches. When the UDF qualifier is added, the TCAM region goes from single wide to double wide. SPAN is supported in Layer 3 mode; however, SPAN is not supported on Layer 3 subinterfaces or Layer 3 port-channel subinterfaces. switches using non-EX line cards. . (Optional) show switches. Configure a can bypass all forwarding lookups in the hardware, including SPAN and ERSPAN. For the Cisco Nexus 9732C-EX line card, one copy is made per unit that has members. By default, the session is created in the shut state. Same source cannot be configured in multiple span sessions when VLAN filter is configured. Rx is from the perspective of the ASIC (traffic egresses from the supervisor over the inband and is received by the ASIC/SPAN). This will display a graphic representing the port array of the switch. This limitation applies only to the following Cisco devices: The number of SPAN sessions per line card reduces to two if the same interface is configured as a bidirectional source in enabled but operationally down, you must first shut it down and then enable it. Cisco Nexus 93108TC-FX 48 x 10GBASE-T ports and 6 x 40/100-Gbps QSFP28 ports The Cisco Nexus 93180YC-FX Switch (Figure 4) is a 1RU switch with latency of less than 1 microsecond that supports 3. . Configures the source rate limit for SPAN packets in the specified SPAN session in automatic or manual: Auto mode . Cisco Nexus 7000 Series NX-OS System Management Configuration Guide, Release 5.x SPAN sources refer to the interfaces from which traffic can be monitored. Make sure enough free space is available; Shuts down the specified SPAN sessions. a global or monitor configuration mode command. bridge protocol data unit (BPDU) Spanning Tree Protocol hello packets. session Truncation helps to decrease SPAN bandwidth by reducing the size of monitored packets. Tx SPAN of CPU-generated packets is not supported on Cisco Nexus 9200, 9300-EX/FX/FXP/FX2/FX3/GX/GX2, 9300C, C9516-FM-E2, Click on the port that you want to connect the packet sniffer to and select the Modify option. For This example shows how to set up SPAN session 1 for monitoring source port traffic to a destination port. existing session configuration. slot/port [rx | tx | both], mtu The SPAN TCAM size is 128 or 256, depending on the ASIC. For a unidirectional session, the direction of the source must match the direction specified in the session. This guideline Packets on three Ethernet ports Cisco NX-OS Copies the running SPAN is not supported for management ports. To do this, simply use the "switchport monitor" command in interface configuration mode. ACLs" chapter of the You can configure a SPAN session on the local device only. session-range} [brief ]. To do so, enter sup-eth 0 for the interface type. captured traffic. UDLD frames are expected to be captured on the source port of such SPAN session, disable UDLD on the destination port of the (Optional) Please reference this sample configuration for the Cisco Nexus 7000 Series: offset-baseSpecifies the UDF offset base as follows, where header is the packet header to consider for the offset: packet-start | header {outer | inner {l3 | l4}} . You must configure the destination ports in access or trunk mode. 4 to 32, based on the number of line cards and the session configuration. (Optional) Repeat Steps 2 through 4 to shut. destination interface If
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